diff --git a/src/ethernet.rs b/src/ethernet.rs
index f19a53f..05759ce 100644
--- a/src/ethernet.rs
+++ b/src/ethernet.rs
@@ -206,12 +206,12 @@ fn switch() {
     let peer2 = "1.2.3.5:7890".to_socket_addrs().unwrap().next().unwrap();
     assert!(table.lookup(&addr).is_none());
     MockTimeSource::set_time(1000);
-    table.learn(addr.clone(), None, peer.clone());
+    table.learn(addr, None, peer);
     assert_eq!(table.lookup(&addr), Some(peer));
     MockTimeSource::set_time(1000);
-    table.learn(addr.clone(), None, peer2.clone());
+    table.learn(addr, None, peer2);
     assert_eq!(table.lookup(&addr), Some(peer));
     MockTimeSource::set_time(1010);
-    table.learn(addr.clone(), None, peer2.clone());
+    table.learn(addr, None, peer2);
     assert_eq!(table.lookup(&addr), Some(peer2));
 }
diff --git a/src/ip.rs b/src/ip.rs
index 5f507c2..4fafcb5 100644
--- a/src/ip.rs
+++ b/src/ip.rs
@@ -231,30 +231,30 @@ fn routing_table_ipv4() {
     let peer2 = "1.2.3.4:2".to_socket_addrs().unwrap().next().unwrap();
     let peer3 = "1.2.3.4:3".to_socket_addrs().unwrap().next().unwrap();
     assert!(table.lookup(&Address::from_str("192.168.1.1").unwrap()).is_none());
-    table.learn(Address::from_str("192.168.1.1").unwrap(), Some(32), peer1.clone());
+    table.learn(Address::from_str("192.168.1.1").unwrap(), Some(32), peer1);
     assert_eq!(table.lookup(&Address::from_str("192.168.1.1").unwrap()), Some(peer1));
-    table.learn(Address::from_str("192.168.1.2").unwrap(), None, peer2.clone());
+    table.learn(Address::from_str("192.168.1.2").unwrap(), None, peer2);
     assert_eq!(table.lookup(&Address::from_str("192.168.1.1").unwrap()), Some(peer1));
     assert_eq!(table.lookup(&Address::from_str("192.168.1.2").unwrap()), Some(peer2));
-    table.learn(Address::from_str("192.168.1.0").unwrap(), Some(24), peer3.clone());
+    table.learn(Address::from_str("192.168.1.0").unwrap(), Some(24), peer3);
     assert_eq!(table.lookup(&Address::from_str("192.168.1.1").unwrap()), Some(peer1));
     assert_eq!(table.lookup(&Address::from_str("192.168.1.2").unwrap()), Some(peer2));
     assert_eq!(table.lookup(&Address::from_str("192.168.1.3").unwrap()), Some(peer3));
-    table.learn(Address::from_str("192.168.0.0").unwrap(), Some(16), peer1.clone());
+    table.learn(Address::from_str("192.168.0.0").unwrap(), Some(16), peer1);
     assert_eq!(table.lookup(&Address::from_str("192.168.2.1").unwrap()), Some(peer1));
     assert_eq!(table.lookup(&Address::from_str("192.168.1.1").unwrap()), Some(peer1));
     assert_eq!(table.lookup(&Address::from_str("192.168.1.2").unwrap()), Some(peer2));
     assert_eq!(table.lookup(&Address::from_str("192.168.1.3").unwrap()), Some(peer3));
-    table.learn(Address::from_str("0.0.0.0").unwrap(), Some(0), peer2.clone());
+    table.learn(Address::from_str("0.0.0.0").unwrap(), Some(0), peer2);
     assert_eq!(table.lookup(&Address::from_str("192.168.2.1").unwrap()), Some(peer1));
     assert_eq!(table.lookup(&Address::from_str("192.168.1.1").unwrap()), Some(peer1));
     assert_eq!(table.lookup(&Address::from_str("192.168.1.2").unwrap()), Some(peer2));
     assert_eq!(table.lookup(&Address::from_str("192.168.1.3").unwrap()), Some(peer3));
     assert_eq!(table.lookup(&Address::from_str("1.2.3.4").unwrap()), Some(peer2));
-    table.learn(Address::from_str("192.168.2.0").unwrap(), Some(27), peer3.clone());
+    table.learn(Address::from_str("192.168.2.0").unwrap(), Some(27), peer3);
     assert_eq!(table.lookup(&Address::from_str("192.168.2.31").unwrap()), Some(peer3));
     assert_eq!(table.lookup(&Address::from_str("192.168.2.32").unwrap()), Some(peer1));
-    table.learn(Address::from_str("192.168.2.0").unwrap(), Some(28), peer3.clone());
+    table.learn(Address::from_str("192.168.2.0").unwrap(), Some(28), peer3);
     assert_eq!(table.lookup(&Address::from_str("192.168.2.1").unwrap()), Some(peer3));
 }
 
@@ -265,31 +265,31 @@ fn routing_table_ipv6() {
     let peer2 = "::1:2".to_socket_addrs().unwrap().next().unwrap();
     let peer3 = "::1:3".to_socket_addrs().unwrap().next().unwrap();
     assert!(table.lookup(&Address::from_str("::1").unwrap()).is_none());
-    table.learn(Address::from_str("dead:beef:dead:beef:dead:beef:dead:1").unwrap(), Some(128), peer1.clone());
+    table.learn(Address::from_str("dead:beef:dead:beef:dead:beef:dead:1").unwrap(), Some(128), peer1);
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:1").unwrap()), Some(peer1));
-    table.learn(Address::from_str("dead:beef:dead:beef:dead:beef:dead:2").unwrap(), None, peer2.clone());
+    table.learn(Address::from_str("dead:beef:dead:beef:dead:beef:dead:2").unwrap(), None, peer2);
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:1").unwrap()), Some(peer1));
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:2").unwrap()), Some(peer2));
-    table.learn(Address::from_str("dead:beef:dead:beef::").unwrap(), Some(64), peer3.clone());
+    table.learn(Address::from_str("dead:beef:dead:beef::").unwrap(), Some(64), peer3);
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:1").unwrap()), Some(peer1));
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:2").unwrap()), Some(peer2));
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:3").unwrap()), Some(peer3));
-    table.learn(Address::from_str("dead:beef:dead:be00::").unwrap(), Some(56), peer1.clone());
+    table.learn(Address::from_str("dead:beef:dead:be00::").unwrap(), Some(56), peer1);
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:1::").unwrap()), Some(peer3));
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:be01::").unwrap()), Some(peer1));
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:1").unwrap()), Some(peer1));
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:2").unwrap()), Some(peer2));
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:3").unwrap()), Some(peer3));
-    table.learn(Address::from_str("::").unwrap(), Some(0), peer2.clone());
+    table.learn(Address::from_str("::").unwrap(), Some(0), peer2);
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:1::").unwrap()), Some(peer3));
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:be01::").unwrap()), Some(peer1));
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:1").unwrap()), Some(peer1));
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:2").unwrap()), Some(peer2));
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:3").unwrap()), Some(peer3));
     assert_eq!(table.lookup(&Address::from_str("::1").unwrap()), Some(peer2));
-    table.learn(Address::from_str("dead:beef:dead:beef:dead:beef:dead:be00").unwrap(), Some(123), peer2.clone());
+    table.learn(Address::from_str("dead:beef:dead:beef:dead:beef:dead:be00").unwrap(), Some(123), peer2);
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:be1f").unwrap()), Some(peer2));
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:be20").unwrap()), Some(peer3));
-    table.learn(Address::from_str("dead:beef:dead:beef:dead:beef:dead:be00").unwrap(), Some(124), peer3.clone());
+    table.learn(Address::from_str("dead:beef:dead:beef:dead:beef:dead:be00").unwrap(), Some(124), peer3);
     assert_eq!(table.lookup(&Address::from_str("dead:beef:dead:beef:dead:beef:dead:be01").unwrap()), Some(peer3));
 }